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Render OpenVR mirror window in stereo;

This commit is contained in:
bjorn 2018-06-12 20:14:53 -07:00
parent d71eccfd0b
commit 6cbf4075ec
1 changed files with 15 additions and 12 deletions
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27
src/headset/openvr.c
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@ -253,7 +253,7 @@ static void ensureCanvas() {
glGetIntegerv(GL_SAMPLES, &msaa);
state.system->GetRecommendedRenderTargetSize(&state.renderWidth, &state.renderHeight);
CanvasFlags flags = { .msaa = msaa, .depth = true, .stencil = true, .mipmaps = false };
state.canvas = lovrCanvasCreate(state.renderWidth, state.renderHeight, FORMAT_RGB, flags);
state.canvas = lovrCanvasCreate(state.renderWidth * 2, state.renderHeight, FORMAT_RGB, flags);
}
static bool openvrInit(float offset) {
@ -672,7 +672,7 @@ static void openvrRenderTo(void (*callback)(void*), void* userdata) {
mat4_fromMat34(head, state.renderPoses[state.headsetIndex].mDeviceToAbsoluteTracking.m);
lovrGraphicsPushLayer(state.canvas);
lovrGraphicsSetViewport(0, 0, state.renderWidth, state.renderHeight);
lovrGraphicsClear(true, true, false, lovrGraphicsGetBackgroundColor(), 1., 0);
for (HeadsetEye i = EYE_LEFT; i <= EYE_RIGHT; i++) {
@ -685,22 +685,25 @@ static void openvrRenderTo(void (*callback)(void*), void* userdata) {
mat4_multiply(view, mat4_fromMat34(eye, state.system->GetEyeToHeadTransform(vrEye).m));
mat4_invert(view);
lovrGraphicsSetCamera(projection, view);
lovrGraphicsSetViewport(state.renderWidth * i, 0, state.renderWidth, state.renderHeight);
// Render
lovrGraphicsClear(true, true, false, lovrGraphicsGetBackgroundColor(), 1., 0);
callback(userdata);
lovrCanvasResolve(state.canvas);
// Submit
glActiveTexture(GL_TEXTURE0);
Texture* oldTexture = lovrGraphicsGetTexture(0);
uintptr_t texture = (uintptr_t) state.canvas->texture.id;
EColorSpace colorSpace = lovrGraphicsIsGammaCorrect() ? EColorSpace_ColorSpace_Linear : EColorSpace_ColorSpace_Gamma;
Texture_t eyeTexture = { (void*) texture, ETextureType_TextureType_OpenGL, colorSpace };
state.compositor->Submit(vrEye, &eyeTexture, NULL, EVRSubmitFlags_Submit_Default);
glBindTexture(GL_TEXTURE_2D, oldTexture->id);
}
// Submit
glActiveTexture(GL_TEXTURE0);
Texture* oldTexture = lovrGraphicsGetTexture(0);
uintptr_t texture = (uintptr_t) state.canvas->texture.id;
EColorSpace colorSpace = lovrGraphicsIsGammaCorrect() ? EColorSpace_ColorSpace_Linear : EColorSpace_ColorSpace_Gamma;
Texture_t eyeTexture = { (void*) texture, ETextureType_TextureType_OpenGL, colorSpace };
VRTextureBounds_t left = { 0, 0, .5, 1. };
VRTextureBounds_t right = { .5, 0, 1., 1. };
state.compositor->Submit(EVREye_Eye_Left, &eyeTexture, &left, EVRSubmitFlags_Submit_Default);
state.compositor->Submit(EVREye_Eye_Right, &eyeTexture, &right, EVRSubmitFlags_Submit_Default);
glBindTexture(GL_TEXTURE_2D, oldTexture->id);
lovrGraphicsPopLayer();
state.isRendering = false;